Ooze test is done to detect Bacteria. In this the infected leaves are cut into small bits and put into water in a glass tube, the water becomes turbid and yellowish after 30-60 minutes.
A man is 6 times as old as his daughter. After 4 years, he will be 4 times as old as she will be. After how many more years will the man be 3 times as o...
Ratio of present ages of A and B is 5:7, respectively. C who is 9 years older than A will become 36 years older after 12 years. Find the present age of B.
A person’s present age is 4/5th of the age of his brother. After 10 years, he will be 9/10th of the age of his brother. How old is the brother at ...
The present age of A is 7/4 times to that of his marriage age. Present age of his brother is 1/4th of his present age. If A was married 36 years ago the...
The sum of ages of organization members (including clerk and managers) is 380 years. The total ages of clerks and managers are in the ratio 1:3 and the ...
In 12 years, 'A's age will be three times what it was 20 years ago. After 12 years, the age ratio between 'A' and 'B' will be 4:5. Currently, the averag...
Mahesh said to his son, “At the time of your birth” I was as old as you are at present. If the Mahesh’s age is 42 years now then what will be the ...
The average of the current ages of Armaan, Biju, Chinky, and Danny is 31 years. Two years from now, the average age of Armaan and Biju will be 22 years....
The ratio of the present ages of P and Q is 8:5 respectively. If the age of P 10 years hence from now will be 100% more than the age of Q 4 years ago fr...
The current age of B is 40% greater than the present age of 'V'. The age of 'V' five years from now will be the same as the age of 'B' five years ago. D...
